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ボタンを押すと文章が表示される方法

JavaScript

Posted at 2019-12-07

<p id="p1">でも我慢する</p>
<input type="button" value="夜にお菓子たべたいな" onclick="clickBtn1()" />

<script>
//初期表示は非表示
document.getElementById("p1").style.display ="none";

function clickBtn1(){
    const p1 = document.getElementById("p1");

    if(p1.style.display=="block"){
        // noneで非表示
        p1.style.display ="none";
    }else{
        // blockで表示
        p1.style.display ="block";
    }
}
</script>

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